Butternut Squash without kaffir olive

2 tablespoons olive oil 100 g onions (1 medium onion chopped finely) 3 minced garlic cloves 500 g passata 400 g plum tomatoes 2 tablespoons tomato puree 300 g[...]

1 tablespoon olive oil , plus more for pan 1/2 small butternut squash, thinly sliced (about 1 lb) 1 medium red onion , thinly sliced 1 small bunch kale ,[...]